Pyle PNV4000 Plug In Car 4000 Watts 12v DC to 115V AC Power Inverter with Modified Sine Wave No load current draw: Low voltage alarm: 10.5v+/-0.5v Low voltage shut down: 10.0v+/-0.5v High voltage shut down: 15.5v+/-0.5v Built-in cooling fan Input voltage range: 10v  15.5v (+/-0.5v) Output voltage: 115V +/-5V Converting efficiency: &gt;85% Low voltage / high voltage / overload / thermal protection circuitry Continued Power: 2000W Surge power: 4000W Dimension: 15.94''L x 6.93''W x 2.95''H Sold as : Unit No load current draw: &lt;0.2Amp - Low voltage alarm: 10.5v+/-0.5v - Low voltage shut down: 10.0v+/-0.5v High voltage shut down: 15.5v+/-0.5v - Built-in cooling fan - Input voltage range: 10v  15.5v (+/-0.5v) Output voltage: 115V +/-5V - Converting efficiency: &gt;85% - Low voltage / high voltage / overload / thermal protection circuitry Continued Power: 2000W - Surge power: 4000W Dimension: 15.94''L x 6.93''W x 2.95''H